Synthesis of trifluoroalkyl or difluoroalkyl phenanthridine derivatives via cascade reaction using an intramolecular cyano group as a radical acceptor under photoredox catalysis

2018 ◽  
Vol 16 (3) ◽  
pp. 414-423 ◽  
Author(s):  
Xu Liu ◽  
Zhongjie Wu ◽  
Zeguo Zhang ◽  
Ping Liu ◽  
Peipei Sun
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Cyano Group ◽  
Cascade Reaction ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Cascade Cyclization ◽  
Radical Acceptor ◽  
Cyclization Process

In the presence of Ru(phen)3Cl2 or fac-Ir(ppy)3 under visible-light irradiation, the addition of fluorinated radicals to N-arylacrylamides followed by an intramolecular cyano group insertion cascade cyclization process produced the target compounds in moderate to good yields.

Visible-light mediated cascade cyclization of ene-vinylidenecyclopropanes: access to fluorinated heterocyclic compounds

2021 ◽  
Author(s):  
Min Shi ◽  
Zhe Meng ◽  
Xiaoyu Zhang
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Heterocyclic Compounds ◽  
Cascade Reaction ◽  
Light Irradiation ◽  
Cascade Cyclization ◽  
Perfluoroalkyl Iodide

A fluoroalkylation and cycloisomerization cascade reaction of ene-VDCP with ethyl iododifluoroacetate or perfluoroalkyl iodide upon visible-light irradiation was disclosed in this paper, affording the desired fluorinated cyclization products in moderate...

scholarly journals Tertiary amine mediated aerobic oxidation of sulfides into sulfoxides by visible-light photoredox catalysis on TiO2

2015 ◽  
Vol 6 (8) ◽  
pp. 5000-5005 ◽  
Author(s):  
Xianjun Lang ◽  
Wei Hao ◽  
Wan Ru Leow ◽  
Shuzhou Li ◽  
Jincai Zhao ◽  
...  
Keyword(s):  
Visible Light ◽  
Tertiary Amine ◽  
Visible Light Irradiation ◽  
Aerobic Oxidation ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Synergistic Catalysis ◽  
Oxidation Of Sulfides ◽  
Selective Aerobic Oxidation

The selective aerobic oxidation of sulfides into sulfoxides on TiO2 under visible-light irradiation was accomplished through synergistic catalysis with triethylamine.

Visible-light organic photoredox catalytic cascade reaction

2021 ◽  
Author(s):  
Guo-Qiang Xu ◽  
Peng-Fei Xu
Keyword(s):  
Transition Metals ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Cascade Reactions ◽  
Cascade Reaction ◽  
Light Irradiation ◽  
The Past

Over the past years, impressive progress has been made on the development of organic photoredox catalytic cascade reactions without the participation of expensive and toxic transition-metals under visible light irradiation....

Oxidative alkylation of alkenes with carbonyl compounds through concomitant 1,2-aryl migration by photoredox catalysis

2020 ◽  
Vol 44 (37) ◽  
pp. 16031-16035
Author(s):  
Zhaowei Lin ◽  
Maojian Lu ◽  
Boyi Liu ◽  
Jing Gao ◽  
Mingqiang Huang ◽  
...  
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Carbonyl Compounds ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Diaryliodonium Salt ◽  
Oxidative Alkylation ◽  
Organic Fluorophore

An efficient protocol for the construction of 1,5-diketones was realized in the presence of organic fluorophore 4CzIPN, diaryliodonium salt, and visible light irradiation.

Self-assembly of graphene-encapsulated antimony sulfide nanocomposites for photoredox catalysis: boosting charge transfer via interface configuration modulation

2019 ◽  
Vol 43 (35) ◽  
pp. 13837-13849 ◽  
Author(s):  
Bei-Bei Zhang ◽  
Ming-Hui Huang ◽  
Xiao-Cheng Dai ◽  
Tao Li ◽  
Yu-Bing Li ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Self Assembly ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Antimony Sulfide

Charge transfer over Sb2S3–GR nanocomposites was tuned by exquisite interface configuration engineering, which results in enhanced photoredox performances under visible light irradiation.

Radical alkylation of isocyanides with amino acid-/peptide-derived Katritzky salts via photoredox catalysis

2019 ◽  
Vol 17 (6) ◽  
pp. 1531-1534 ◽  
Author(s):  
Ze-Fan Zhu ◽  
Miao-Miao Zhang ◽  
Feng Liu
Keyword(s):  
Amino Acid ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Bond Activation ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Amino Acid Peptide

A mild and practical protocol is developed for the synthesis of functionalized phenanthridines via C(sp3)–N bond activation upon visible-light irradiation.

Photoredox-catalyzed hydrosulfonylation reaction of electron-deficient alkenes with substituted Hantzsch esters and sulfur dioxide

2019 ◽  
Vol 55 (43) ◽  
pp. 6010-6013 ◽  
Author(s):  
Xuefeng Wang ◽  
Min Yang ◽  
Wenlin Xie ◽  
Xiaona Fan ◽  
Jie Wu
Keyword(s):  
Sulfur Dioxide ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Light Irradiation ◽  
Photoredox Catalysis

A sulfonylation reaction of 4-substituted Hantzsch esters, DABCO·(SO2)2, and electron-deficient alkenes at room temperature in the presence of photoredox catalysis under visible light irradiation is described.

Visible-light-induced photoxidation-Povarov cascade reaction: synthesis of 2-arylquinoline through alcohol and N-benzylanilines under mild conditions via Ag/g-C3N4 nanometric semiconductor catalyst

2020 ◽  
Vol 56 (35) ◽  
pp. 4840-4843 ◽  
Author(s):  
Peng Wang ◽  
Xiaowen Wang ◽  
Xiyu Niu ◽  
Li Zhu ◽  
Xiaoquan Yao
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Cascade Reaction ◽  
Light Irradiation ◽  
Reaction Synthesis ◽  
Mild Conditions

Ag/g-C3N4 nanometric semiconductor catalyzed cascade reaction for the synthesis of 2-arylquinoline through alcohol and N-benzylanilines under visible light irradiation.

Substituted Hantzsch esters as radical reservoirs with the insertion of sulfur dioxide under photoredox catalysis

2019 ◽  
Vol 55 (14) ◽  
pp. 2062-2065 ◽  
Author(s):  
Xuefeng Wang ◽  
Haozhe Li ◽  
Guanyinsheng Qiu ◽  
Jie Wu
Keyword(s):  
Sulfur Dioxide ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Three Component Reaction ◽  
Vinyl Azides

A three-component reaction between 4-substituted Hantzsch esters, DABCO·(SO2)2, and vinyl azides in the presence of photoredox catalysts under visible light irradiation is developed. A range of (Z)-2-(alkylsulfonyl)-1-arylethen-1-amines is obtained in moderate to good yields with good regioselectivity and stereoselectivity.

Elegant Z-scheme-dictated g-C3N4 enwrapped WO3 superstructures: a multifarious platform for versatile photoredox catalysis

2017 ◽  
Vol 5 (30) ◽  
pp. 15601-15612 ◽  
Author(s):  
Zhi-Yu Liang ◽  
Jin-Xin Wei ◽  
Xiu Wang ◽  
Yan Yu ◽  
Fang-Xing Xiao
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Photoredox Catalysis ◽  
Self Assembled ◽  
Catalytic Performances

Robust photoredox systems have been rationally designed and crafted based on in situ self-assembled g-C3N4/WO3 superstructures which demonstrated versatile photoredox catalytic performances under visible light irradiation.

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